<div class="river-panel">
  <div class="title">
    <span></span>
    <span>引黄灌区概况</span>
  </div>
  <div class="block-wrap">
    <div class="block">
      <div class="num">13</div>
      <div class="dw">灌区数量（个）</div>
    </div>
    <div class="block">
      <div class="num">738.7</div>
      <div class="dw">总灌溉面积（万亩）</div>
    </div>
    <div class="block">
      <div class="num">2195.39</div>
      <div class="dw">干渠长度（千米）</div>
    </div>
    <div class="block">
      <div class="num">600</div>
      <div class="dw">最大引水能力（m³/s）</div>
    </div>
  </div>

  <div class="charts" echarts [options]="chartOpt1" [merge]="chartOptChange1" style="height: 200px;margin: 0 auto 15px auto;"></div>


  <div class="title">
    <span></span>
    <span>引黄灌区引水量及灌溉进度</span>
  </div>
  <div class="charts" echarts [options]="chartOpt2" [merge]="pieOptChange2" style="height: 200px;"></div>
  <div class="title">
    <span></span>
    <span>干渠引水流量(m³/s)</span>
  </div>
  <div class="charts" echarts [options]="pieOpt3" [merge]="pieOptChange3" style="height: 400px;"></div>
</div>
